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Finding the Fourth Proportional to 44,477.60, 66,696.95 and 13,305.56

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Solution

The fourth proportional to 44,477.60, 66,696.95 and 13,305.56 is: 19,952.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,477.60 : 66,696.95 = 13,305.56 : x
  2. Step 2: Convert to fraction form
    44,477.60/66,696.95 = 13,305.56/x
  3. Step 3: Cross multiply
    44,477.60x = 66,696.95 × 13,305.56
  4. Step 4: Simplify right side
    44,477.60x = 887,439,870.03
  5. Step 5: Solve for x
    x = 887,439,870.03/44,477.60
  6. Step 6: Final answer
    x = 19,952.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.